The enthalpy of fusion for methane (CH4) is 0.942kJ/mol. How much heat is required to melt 37.91g of solid methane at its melting point? Report your answer in units of kJ.
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The enthalpy of fusion for methane (CH4) is 0.942kJ/mol. How much heat is required to melt...
1. How much heat is required at constant pressure to melt 1 mole of ice at -25 C to steam at 125° C? boiling point 100c melting point 0.000'C specific heat capacities are gas(steam) 2.08, liquid 4.184 solid (ice) 2.11. All in units of JigC AH(100°C) 40.7 kJ/mol AHu (0.000°C)-6.01 kJ/mol 2. Calculate AHrxn for the reaction: CH4(g)4 Cl2(g) -CC4(g) 4 HCl (g) + Use the following reactions and given AH's: CH4(g) AH =-74.6 kJ 2 H2(g) C(s) C(s)2 Cl2(g)...
222.The enthalpy of vaporization for chlorine is 20.41kJ/mol. How much heat is required to vaporize 293.39g of chlorine liquid at its boiling point? Report your answer in units of kJ.
calculate the heat required to melt 9.73 g of benzene at it's normal melting point nd Phases (References] a. Calculate the heat required to melt 9.73 g of benzene at its normal melting point. Heat of fusion (benzene) 9.92 kJ/mol Heat = kJ b. Calculate the heat required to vaporize 9.73 g of benzene at its normal boiling point. Heat of vaporization (benzene) = 30.7 kJ/mol Heat = kJ Submit Answer Try Another Version 2 item attempts remaining arch о...
How much heat is needed to melt 17.50 kg of silver that is initially at 23 ∘C? The melting point of silver is 961∘C, the heat of fusion is 88 kJ/kg, the specific heat is 230 J/kg⋅C∘. Express your answer to two significant figures and include the appropriate units. Q Q = nothingnothing SubmitRequest Answer
How much heat energy is required to convert 15.0 g of solid ethanol at -114.5 °C to gasesous ethanol at 143.1 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C. How much heat energy...
The enthalpy of fusion of cadmium at its normal melting point of 321 °C is 6.11 kJ mol? What is the entropy of fusion of cadmium at this temperature? ASfus = J mol-K-1 The molar enthalpy of fusion of solid cadmium is 6.11 kJ mol-1, and the molar entropy of fusion is 10.3 JK+mol-1. (a) Calculate the Gibbs free energy change for the melting of 1.00 mol of cadmium at 622 K. (b) Calculate the Gibbs free energy change for...
Determine the amount of heat, in kJ, required to melt 33 g of solid Ca at its melting point of 851C. Melting Point = 851C Boiling Point = 1487C Molar Heat Capacities: Csolid = 26.2 J/mol C C liquid = 31.0 J/molC ΔH_fusion = 9.33 kJ/mol ΔH_vaporization = 162 kJ/mol
How much heat energy is required to convert 45.2 g of a solid iron at 28 C to liquid iron at 1538 C? The molar heat of fusion of iron is 13.8 kJ/mol. Iron has a normal melting point of 1538 C. The specific heat capacity of solid iron is 0.449 J/ (g • C). Question 6 of 6 > How much heat energy is required to convert 45.2 g of solid iron at 28 °C to liquid iron at...
how much heat in kilocalories is required to melt 2.9 mol of isopropyl (molar mass=60.0g/mol) the heat fusion and heat vaporization of isopropyl are 21 4 cal/g and 159 cal/g
2) Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kJ/mol. How much heat in KJ is required to melt 137 g of ethyl alcohol? A) 1.70 x 103 kJ B) 129 kJ C) 686 kJ D) 5.01 kJ E) 14.9 kJ